Finding the Fourth Proportional to 9,721,207.70, 14,578,312.35 and 4,927,303.70
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Solution
The fourth proportional to 9,721,207.70, 14,578,312.35 and 4,927,303.70 is: 7,389,181.94
Step by Step Solution
- Step 1: Write the proportion equation
9,721,207.70 : 14,578,312.35 = 4,927,303.70 : x - Step 2: Convert to fraction form
9,721,207.70/14,578,312.35 = 4,927,303.70/x - Step 3: Cross multiply
9,721,207.70x = 14,578,312.35 × 4,927,303.70 - Step 4: Simplify right side
9,721,207.70x = 71,831,772,381,910.70 - Step 5: Solve for x
x = 71,831,772,381,910.70/9,721,207.70 - Step 6: Final answer
x = 7,389,181.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.